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Sennheiser wireless setup with EHS40*

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Yealink Model #s EHS 40 is compatible with: SIP VP59, T58A, T57W, T53W, T54W, T53, T48S, T46S, T42S, T41S

PLEASE NOTE #1: If an expansion module has been connected to the SIP- T58A, T57W, T54W, T53W, or T43 IP phone, you can connect the EHS40 to the expansion module

Sennheiser: Grab the adapter box, and the Sennheiser Y-cord (top of the y-cord has an RJ45 and RJ9 connection, the bottom of the y-cord has an RJ45 connection)

What is in the box: Yealink adapter box that has a USB cord coming out of it, 1 Sennhieser Y-cord, 1 Plantronics Y-cord, and 1 Jabra Y-cord.

1) Connect the bottom of the y-cord into the green PHONE port in the back of the cube

2) Connect RJ45 and RJ9 end of the y-cord into the 2 available slots in the Yealink adapter box

3) Plug the USB cord coming out of the adapter box into the USB port in the phone

4) Move D/S #1 down (bottom right in back of cube) and ABC switch on A

Does not immediately give ring detection. To get it to work correctly, you will need to get to the web portal and do the following:

Please go to phone web portal > Features > Audio > Ringer Device for Headset, then choose Use Headset & Speaker. The below picture for your reference.

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Hi, I'm Kyle!

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Kyle Newgent
Headset Blogger